seismic behavior of a type of welded precast concrete beam

CONTENT PRECAST CONCRETE PANEL

The different types of precast concrete cladding panels: - Precast concrete curtain wall Up to 24’ high 3-1/2 to 10” thick 8’ to 12’ in width - Precast concrete sandwich panels Up to 24’ High 5-1/2” to 12” in thickness Thermal insulation is incorporated as an inner layer of the panel.

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Summary. The papers in this book were presented at the technical session, "Advances in Analysis of Structural Masonry, " at the ASCE Structures Congress '86 held in New Orleans, LA, on September 15-18, 1986. The papers focus on the advanced analysis techniques that can and have been employed to predict the behavior of structural masonry, and

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Seismic CFST Column-to-Precast Cap Beam Connections for

Seismic CFST Column-to-Precast Cap Beam Connections for Accelerated Bridge Construction Three different connection types were studied: (1) an embedded ring CFST, (2) a welded dowel, and (3) an interior reinforced concrete connection. Seismic Behavior of Composite Concrete Filled Steel Tube Column-Wide Flange Beam Moment Connections.

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Rebar - Wikipedia

Rebar (short for reinforcing bar), known when massed as reinforcing steel or reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension. Concrete is strong under compression, but has weak tensile strength.Rebar significantly increases the tensile strength of the

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Seismic Behavior of PC Column and Steel Beam Composite

This paper presents test results of two large-scale precast concrete (PC) column/footing and steel beam subassemblies. In the model subassemblies, the steel beams were posttensioned by high-strength steel rods to the PC columns using an end-plate shop welded to a beam. The PC columns were connected to their footings using splice-sleeve method and dowel anchorage method, respectively.

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PDF Topic 11 - Seismic Design of Reinforced Concrete Structures

Reinforced Concrete Behavior This slide shows stages of behavior of a reinforced concrete beam. At low loads the section is uncracked and an analysis using uncracked-transformed section properties can be used to predict behavior. After the concrete cracks, the concrete on the tension side of the beam is neglected, and a cracked-transformed section

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State-of-the-Art Report on Precast Concrete Systems for

The researchers identified four types of precast concrete superstructure systems: full-depth precast concrete panels, partial-depth precast concrete panels, prestressed concrete multibeam superstructures, and preconstructed composite units. The four systems appear to have acceptable seismic behavior

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PDF Connections in Precast Structures

Precast Factories SEISMIC PERFORMANCE . Bhuj Earthquake - 2001 SEISMIC PERFORMANCE School Building . Loop-Type Wire Inserts. Open Wire Inserts Receptacles for Wire Inserts INSERTS Primary Inserts Precast Connection: Beam To Column Connection R.Vidjeapriya . Dowel Bar (PC-DW)

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PDF Experimental Study on Seismic Behavior of Cluster

spiral stirrup with grouting-anchor connection(Fig.1f). The cluster reinforced precast concrete column refers to the rebar arranged around the column at the four corner of the column to reduce the number of connections between the vertical bars.However, the seismic behavior of this type of column has not been studied yet.

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PDF Loads & Distribution

Revised seismic design provisions Isotropic reinforced concrete deck design Steel Beam Cast-in-place concrete slab, precast concrete slab, steel grid, glued/spiked panels, Type of Beams Applicable Cross-Section from Table 4.6.2.2.1-1 Distribution Factors Range of

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Design Of Joints In Steel And Composite Structures

effortless erection and structural efficiency. The precast frame systems discussed in the book are similar to that of steel frames, but offer similar savings to concrete frames. The design of connections and detailed analysis of their structural behavior is discussed in detail.

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PDF Infill Precast Panels as Retrofit System of Reinforced

precast elements connected to the beams of reinforced concrete frame with mechanical systems, partial reusable. The principal objective of experimental program was to analyze the behavior under seismic loads of single infill precast panels subjected to vertical constant load and to lateral loads under reversed cyclic loading.

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Vol.11, No.2, pp.229–245, June 2017 DOI 10.1007/s40069

K: beam-column connections, precast concrete, welding, unbonded length, damage index. 1. Ioduction One-story precast concrete structures constitute a signifi-cant part of industrial buildings in earthquake-prone regions in Turkey. Post-earthquake observations revealed that beam-column connections are widely influence the overall seismic

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Investigation and verification on seismic behavior of

Abstract In this study, quasi-static cyclic test was conducted for three 1/3-scale specimens of different precast concrete frame pier structure systems of an urban viaduct in Shanghai, China. Various connection deployment strategies were utilized for the specimens, in order to verify these precast concrete frame piers used in the real structure. Two of the specimens were of the same cap beam

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PDF Manual for Design and Detailing of Reinforced Concrete to

3.0 Beams 4.0 Slabs 5.0 Columns 6.0 Beam-Column Joints 7.0 Walls 8.0 Corbels 9.0 Cantilevers The use of mechanical coupler Type 1 and Type 2; (v) The determination of design force on the beam column joint has been Concrete Stress Block for Grades C35, C60, C80 and C100 0 5 10 15 20 25 30 35 40 45 50

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A Bolted Moment Connection Model for Precast Column

of damage after earthquake. Similarly, there are a great number of studies about earthquake behavior of precast column-beam connection in technical literature [9 -15]. (a) (b) Fig. 1: Typical column – beam connection in precast members; (a) Dry connection and (b) Wet connection. 2. Experimental Study 2.1.

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PDF Performance of the Modified Precast Beam to Column

one type of precast reinforcement connection that is welded connection where the bottom bars of the beam weld to embedded plates and then be welded to plate on the corbel. The objectives of this experiment are to study the behavior of precast joint, and crack pattern, and resistance of the connection to be introduced to industry.

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ANALYSIS AND DESIGN OF WELDED PRECAST DOUBLE-TEE

Welded tee-to-tee flange connections of precast concrete parking garages are poorly configured to withstand high-cycle fatigue loading from vehicular traffic.

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Common Deficiencies And Upgrade Methods - Resisting System

Common Deficiencies And Upgrade Methods. Seismic upgrade of buildings typically involves strengthening of their horizontal and vertical lateral-load-resisting elements. These can be reinforced in-place, or new elements can be added to them. If the existing lateral-load-resisting structure is grossly deficient, it can be replaced.

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PDF Seismic Behavior of Semi Dry Precast Concrete Connections

Precast, Grout Type, Seismic Behavior. 1. Introduction Generally, precast concrete members can be applied as the structural members of a building and non-structural ones, e.g. the facade or separating walls. The major advantages of precast members are rapid installation, lower cost, and higher quality. The safety and resistance of the precast

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Seismic performance of precast hybrid‑steel concrete

heterogeneity. To enhance the understanding of the complex seismic behavior of hybrid-steel concrete beam column joints, and decide the influence of critical design parameters, an analytical investigation using a nonlinear FE tool is presented. The numerical inves-tigation encompasses the development and calibration of a nonlinear FE model, and the

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PDF Seismic experimental study on a precast concrete beam

concrete frame connection, namely the Precast Beam Units between Columns, Precast Beam Units through Columns, and Pre-cast T or Cruciform ShapedUnits. In Japan, research on precast con-crete structure has been carried out for several decades and ''JASS 10" [4] is the general outline for precast concrete structure design.

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Guidelines for the Use of Structural Precast Concrete in

spite of the fact that some aspects of the seismic design of precast concrete building structures have not yet been formally codified. This reflects an on-going innovation by New Zealand practitioners that will no doubt continue. Since the early 1960s there has been a steady increase in the use of precast concrete for structural compo-nents.

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PDF A Bolted Moment Connection Model for Precast Column-Beam Joint

of damage after earthquake. Similarly, there are a great number of studies about earthquake behavior of precast column-beam connection in technical literature [9 -15]. (a) (b) Fig. 1: Typical column - beam connection in precast members; (a) Dry connection and (b) Wet connection. 2. Experimental Study 2.1.

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Pseudodynamic tests on a full-scale 3-storey precast

reinforcing details of all structural members used, namely precast concrete columns, beams and walls, is given in the companion pa-per by Negro et al. 2012 [9]. This paper is focused on the seismic response of: (a) the precast floor diaphragms and (b) the mechan-ical connections used between precast concrete

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PDF Design Guidelines for Connections of Precast Structures

Any type of connection shall be experimented with an initial type testing in order to quantify its strength and possibly the other properties that affect its seismic behaviour. From this experimentation a design model may be deducted, by means of which a verification by calculation can be applied on the different connections of the same type.

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SEISMIC ISSUES IN PRECAST BUILDING CONSTRUCTION

Connections are weaker than the adjacent precast concrete elements. The connections between precast concrete elements of jointed system can be subdivided into two categories: a) Connections of Limited Ductility: •Formed by welding or bolting reinforcement bars or

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Precast Concrete for Building Systems - IJERT

The paper deals with the use and the application of precast concrete for various types of buildings. The paper also describes the earthquake performances of precast buildings, seismic-strengthening techniques and Benefits of Using Precast elements in Building Construction. Keywords: Precast concrete, Building Structures . I. INTRODUCTION

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Seismic behavior of precast concrete beam‐column

Longitudinal rebars of precast columns were connected by embedded bolt connectors, while longitudinal rebars of precast beams were welded in CIP core areas. These full‐scale beam‐column connections with axial compression ratio 0.5 were tested under reversed cyclic loading to estimate seismic behavior.

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Experimental study of precast beam-to-column joints with

This article investigated the seismic performance of a new type of precast concrete beam-to-column joint with a steel connector for easy construction. Five interior beam-to-column joints, four precast concrete specimens, and one monolithic joint were tested under reversed cyclic loading.

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Experimental and numerical study of a self‐centering

The self-centering prestressed concrete (SCPC) moment resisting frame (MRF) with web friction devices (WFDs) is a new type of structure that integrates advantages of post-tensioned precast concrete MRFs and self-centering steel MRFs. In this paper, the configuration of the connection and design guidelines are presented.

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